document.write( "Question 71865:
Please help thanks!\r\n" ); document.write( "\r\n" ); document.write( "My homework question is choose the inequality that is equivalent to x > -9\r\n" ); document.write( "\r\n" ); document.write( "Please show me how to find out what the answer is?\r\n" ); document.write( "\r\n" ); document.write( "(a) 5x>45 (b) -5x < 45 (c) -5x > -45 (d) -5x < -45
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Algebra.Com's Answer #51353 by Edwin McCravy(20086) $\"\"$ $\"About$

You can put this solution on YOUR website!

Please help thanks!\r\n" );
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document.write( "My homework question is choose the inequality that is equivalent to x > -9\r\n" );
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document.write( "Please show me how to find out what the answer is?\r\n" );
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document.write( "(a) 5x>45    (b) -5x < 45    (c) -5x > -45   (d) -5x < -45\r\n" );
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document.write( "Solve each one and see.  I know that the answer is (b) so let's solve\r\n" );
document.write( "all the others first, and (b) last, so you'll see why the others are\r\n" );
document.write( "incorrect:\r\n" );
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document.write( "(a) 5x > 45    \r\n" );
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document.write( "Divide both sides by 5\r\n" );
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document.write( "     x > 9\r\n" );
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document.write( "No that's not x > -9\r\n" );
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document.write( "----------------------------\r\n" );
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document.write( "(c) -5x > -45\r\n" );
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document.write( "Divide both sides by -5. Here you MUST remember that\r\n" );
document.write( "when you divide both sides of an inequality by a negative\r\n" );
document.write( "number, the symbol of inequality must be reversed.\r\n" );
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document.write( "     x < 9\r\n" );
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document.write( "No that's not x > -9\r\n" );
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document.write( "----------------------------\r\n" );
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document.write( "(d) -5x < -45\r\n" );
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document.write( "Again, divide both sides by -5. Here we also remember that\r\n" );
document.write( "when you divide both sides of an inequality by a negative\r\n" );
document.write( "number, the symbol of inequality must be reversed.\r\n" );
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document.write( "       x > 9\r\n" );
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document.write( "No that's not x > -9\r\n" );
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document.write( "-----------------------------\r\n" );
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document.write( "(b) -5x < 45\r\n" );
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document.write( "Again, divide both sides by -5. Here we also remember that\r\n" );
document.write( "when you divide both sides of an inequality by a negative\r\n" );
document.write( "number, the symbol of inequality must be reversed.\r\n" );
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document.write( "       x > -9\r\n" );
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document.write( "Yes, that's it!\r\n" );
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document.write( "Edwin

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